Meaning of “deca-” in the English Dictionary

british dictionary

"deca-" in British English

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uk /dek.ə-/ us /dek.ə-/

ten; used in forming nouns:

decahedron (= a shape with 10 faces)

specialized also deka- science ten times the stated unit:

a decapascal
a decametre

(Definition of “deca-” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)